S95 Fire Alarm System Components 2

Question 1

Which type of smoke detector is most effective at detecting slow-smoldering fires?

Accepted Answer

Photoelectric smoke detector

Answer

Photoelectric detectors respond faster to slow-smoldering fires because they sense visible particles produced early in that combustion stage.

Question 2

What is the primary purpose of a manual pull station in a fire alarm system?

Accepted Answer

To allow occupants to manually initiate an alarm

Answer

A manual pull station gives building occupants the ability to manually trigger the fire alarm system when they observe a fire or emergency.

Question 3

A waterflow switch installed on a sprinkler system is classified as which type of initiating device?

Accepted Answer

Automatic initiating device

Answer

A waterflow switch activates automatically when water flows through the sprinkler piping, making it an automatic initiating device.

Question 4

What condition does a supervisory device monitor in a fire alarm system?

Accepted Answer

Conditions that could impair the fire protection system

Answer

Supervisory devices monitor off-normal conditions — such as a closed sprinkler valve — that could render the fire protection system ineffective.

Question 5

A duct smoke detector is primarily installed to:

Accepted Answer

Shut down HVAC systems to prevent the spread of smoke

Answer

Duct smoke detectors sense smoke in the air handling system and initiate fan shutdown or damper closure to prevent smoke from spreading through the building.

(S95) Supervision of Fire Alarm System Practice Test

(S95) Supervision of Fire Alarm System Practice Test

S95 Fire Alarm System Components 2